1974 Pontiac Grand Prix Exhaust Parts

Essential 1974 Pontiac Grand Prix Exhaust Parts

Walker – Clamp Wire Ring Bolt Dia 0.25 Length Nut Type Hex Pipe Dia 2.5 (Part No.35723)

Clamp Wire Ring Bolt Dia 0.25 Length Nut Type Hex Pipe Dia 2.5

from

$36.99
Walker®, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker® is a ‘one-stop’ convenience, offerin

Product Features:
  • Walker offers a variety of clamp styles and sizes for your installation needs
  • Helps to ensure a leak-free connection
  • Constructed from durable and robust material for long life
  • New Walker® accessories help to ensure effective exhaust repairs
  • Walker® supplies all of the accessories you need to do the complete exhaust job
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BRExhaust – Exhaust Clamp (Part No.250-050)

Exhaust Clamp

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$4.99
Sourcing mounting parts from the manufacturer that designs and makes the exhaust system is the only way to guarantee the perfect fit. That’s why, whilst developing the exhaust system, BRExhaust also develops the installation hardware to the same standards.

Product Features:
  • whilst developing the exhaust system
  • BRExhaust also develops the installation hardware to the same standards.
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Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 1.875 (Part No.35344)

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 1.875

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$2.79
Complete your exhaust repair with an Exhaust Mate® U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:
  • CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • PREMIUM MATERIALS – Made from quality material for durability and long life
  • BETTER TOGETHER — Use Walker® accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade
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Walker – Bracket Bolt On Length 2.5 (Part No.35003)

Bracket Bolt On Length 2.5

from

$7.99
Walker, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker is a ‘one-stop’ convenience, offerin

Product Features:
  • Offered in a variety of styles and sizes for your installation needs
  • New Walker accessories help to ensure effective exhaust repairs
  • Constructed from durable and robust material for long life
  • Designed to work seamlessly with OE and Walker aftermarket replacement parts
  • Walker supplies all of the accessories you need to do the complete exhaust job
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Dorman – Exhaust Flange Hardware – 4 Bolts And 2 Studs – 3/8-16 (Part No.675-217)

Exhaust Flange Hardware - 4 Bolts And 2 Studs - 3/8-16

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$19.29
This engine manifold stud and nut match the fit and function of the original hardware on specific makes and models. Ensure a thorough manifold repair or installation with this durable and reliable hardware.

Product Features:
  • Direct replacement – this engine manifold stud and nut match the fit and function of the original stud and nut on specified years, makes and models
  • Ideal solution – replaces missing or damaged hardware to ensure a thorough manifold installation or repair
  • Durable construction – made of quality materials for reliable service life
  • Quality assured – backed by a team of product engineers based in the United States
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Dorman – Help – Manifold Bolt and Spring Kit 3/8-16X1-3/4 In. (Part No.03137)

Manifold Bolt and Spring Kit 3/8-16X1-3/4 In.

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$12.29
Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.

Product Features:
  • New hardware helps fix exhaust leaks
  • Depending on the application, kits include hardware to securely attach the manifold to the exhaust system
  • Also available separately (where applicable)
  • Hardened steel construction for long-lasting durability
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ARP Auto Racing – For Use With Chevy Small Block, 3/8"-16, 0.75"L, Hex Head, Natural Ss, Set Of 12 (Part No.400-1101)

For Use With Chevy Small Block, 3/8"-16, 0.75"L, Hex Head, Natural Ss, Set Of 12

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$24.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 PSI Tensile Strength
  • 0.75″ Underhead Length
  • Set of 12
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ARP Auto Racing – 0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1101)

0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12

from

$25.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 Psi Tensile Strength
  • Set of 12
  • 0.75″ Overall Length
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Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18802)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

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$94.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
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Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21503)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

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$229.99
The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.

Product Features:
  • CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on
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Walker – Sound Solution Muffler (Part No.18649)

Sound Solution Muffler

from

$64.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
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Dynomax – Super Turbo Muffler: Di Fit Aluminized Steel, 14" L, 2.25" In, 2.5" Out, Oval (Part No.17667)

Super Turbo Muffler: Di Fit Aluminized Steel, 14" L, 2.25" In, 2.5" Out, Oval

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$106.99
Dynomax Super Turbo performance mufflers’ exclusive, patented, flow director design channels exhaust flow, and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow, and reduce backpressure. Each muffler uses fiberglass matting technology to absorb unwanted interior resonance, while maintaining a mellow performance tone.

Product Features:
  • Large internal flow tubes improve exhaust flow and reduce backpressure
  • Dyno proven to flow up to 700 SCFM
  • Exclusive patented flow director channels exhaust flow and eliminates turbulence on most applications.
  • Fiberglass matting technology absorbs unwanted interior resonance but maintains a mellow tone
  • 1.75-inch to 3-inch inlet / outlet configurations
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Walker – SoundFX Muffler, Universal/ Fabrication Needed (Part No.18107)

SoundFX Muffler, Universal/ Fabrication Needed

from

$139.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
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Remflex – Set Of 2, 1-1/8" X 1.75"D-Shaped Center Port Size/ 1-3/8" X 13/16" Oval End Port (Part No.12-001)

Set Of 2, 1-1/8" X 1.75"D-Shaped Center Port Size/ 1-3/8" X 13/16" Oval End Port

from

$41.99
Remflex unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees – day after day, week after week, year after year. Now, they are bringing this technology to enthusiasts of all kinds to eliminate exhaust leaks for good Whether you have an old pick-up that needs a manifold gasket, or a race car with custom-built headers, you can be assured that Remflex exhaust gaskets will work properly the first time, every time.

Product Features:
  • 100 Percent Flexible Graphite Construction
  • Designed To Withstand Clamping Force And Incredible Heat
  • Eliminate Exhaust Leaks
  • No Re-Torquing Necessary, Remflex Exhaust Gaskets Rebound 30 Percent, Creating An Optimum Seal That Eliminates The Need To Re-Torque
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Mr. Gasket – Exhaust Gaskets – Standard Duty – Small Block Chevy Square Port, 1.45"W X 1.48"H – Reusable (Part No.150C)

Exhaust Gaskets - Standard Duty - Small Block Chevy Square Port, 1.45"W X 1.48"H - Reusable

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$36.49
Mr. Gasket Performance exhaust gasket material is a heavy duty material, .062 inch thick, consisting of an acrylic binder system to resist high temperature. This material is made for sealing exhaust applications. Provides excellent sealing and durability.

Product Features:
  • Manufactured from high-temperature acrylic blend exhaust material
  • Provides excellent sealing and durability
  • Can be trimmed if necessary for modified port applications
  • For OE replacement, high performance street, drag race and oval track use
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Taylor Gaskets – Header Gasket (Part No.66122)

Header Gasket

from

$48.99
Header Gasket

Mr. Gasket – Copper Seal: Exhaust Gasket Set (Part No.7152G)

Copper Seal: Exhaust Gasket Set

from

$60.29
Mr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.

Product Features:
  • Manufactured from ¿Dead Soft¿ (solid) .043″ thick copper material
  • Manufactured from ┐Dead Soft┐ (solid) .043″ thick copper material
  • .051″ embossment around each exhaust port to seal irregular surfaces. Total gasket thickness .094″
  • Provides excellent sealing and durability
  • Conforms to and seals minor surface irregularities
  • For high performance street, drag race, oval track and turbocharged (extreme heat) applications
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GM Genuine Parts – Exhaust Manifold Gasket (Part No.12617944)

Exhaust Manifold Gasket

from

$17.99
GM Genuine Parts Exhaust Manifold Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They help form a gas-tight connection between the exhaust manifold and cylinder heads. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Helps prevent exhaust leaks
  • Helps provide a tight seal where the exhaust manifold mounts to the engine block
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Walker – Exhaust 36445 Exhaust Pipe Spout (Part No.36445)

Exhaust 36445 Exhaust Pipe Spout

from

$26.99
Made from quality material for durability, Walker exhaust spout pipes are available in a variety of styles and sizes for direct-fit or universal application. 

Product Features:
  • RESISTS CORROSION — Durable aluminized steel for corrosion resistance and performance 
  • SECURE FIT — Burr-free construction for proper fitment 
  • BETTER TOGETHER — Use quality Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade 
  • EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
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Flowtech – Terminator; Exhaust Tips (Part No.59905FLT)

Terminator; Exhaust Tips

from

$85.99


Product Features:
  • Show Quality Chrome Platinum
  • Durable Black Finish
  • Can Be Welded Or Clamped
  • Complete The System
  • Glass-Packed Resonators
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Dorman – Double Ended Stud Kit – 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in (Part No.29200)

Double Ended Stud Kit - 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in

from

$9.99
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.

Product Features:
  • Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles
  • Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
  • Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Catalytic Converter Exhaust Muffler/Resonator Hanger (Part No.57012)

Catalytic Converter Exhaust Muffler/Resonator Hanger

from

$17.99
Exhaust system loose or rattling? This direct-replacement exhaust hanger is designed to restore integrity to the exhaust system. Quality construction to ensure excellent durability.

Product Features:
  • Direct replacement – this exhaust system hanger installs exactly as the original part
  • Easy installation – no special tools required to install this exhaust hanger
  • Durable materials – quality materials for a long service life
  • Quality tested – has undergone testing to ensure proper fit
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Dorman – Help – Exhaust Flange Spring-0.825 OD x 1.135 ID x 1.57 And 0.5 ID X .75 x OD 1.13 In. (Part No.03084)

Exhaust Flange Spring-0.825 OD x 1.135 ID x 1.57 And 0.5 ID X .75 x OD 1.13 In.

from

$7.99
Designed for an exact fit, our Exhaust Spring provides you with the proper flange spring for replacing the manifold. Save time and energy by having the right hardware on hand when you need it.

Product Features:
  • Constructed of durable spring steel
  • Rust and corrosion resistant
  • Also available in a kit that include the Exhaust Manifold Bolt
  • Easy installation
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Dorman – Double Ended Stud – 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in (Part No.29201)

Double Ended Stud - 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in

from

$9.99
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.

Product Features:
  • Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles
  • Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
  • Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Walker – Bracket Bolt On Length 1.625 (Part No.35181)

Bracket Bolt On Length 1.625

from

$7.29
Walker, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker is a ‘one-stop’ convenience, offerin

Product Features:
  • Offered in a variety of styles and sizes for your installation needs
  • New Walker accessories help to ensure effective exhaust repairs
  • Constructed from durable and robust material for long life
  • Designed to work seamlessly with OE and Walker aftermarket replacement parts
  • Walker supplies all of the accessories you need to do the complete exhaust job
See More

Dorman – Help – Exhaust Stud Kit – 3/8-16 x 2-1/2 In. (Part No.03112)

Exhaust Stud Kit - 3/8-16 x 2-1/2 In.

from

$6.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.

Product Features:
  • Direct replacement for a proper fit every time
  • Durable steel construction
  • New hardware helps fix exhaust leaks
  • Also available in the Exhaust Manifold Hardware Kit
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Dorman – Dorman Exhaust Hanger (Part No.H8050202213DOR)

Dorman Exhaust Hanger

from

$20.38
Dorman’s Exhaust Hanger installs easily to mount the exhaust to the vehicle. The Hanger is constructed from high-quality, heat-resistant materials for long-lasting durability.

Product Features:
  • Direct replacement for a proper fit
  • Replacement restores the exhaust to proper operation
  • Resilient against road and weather conditions that make the undercar environment a harsh one
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
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Walker – Exhaust 35281 Exhaust Spring (Part No.35281)

Exhaust 35281 Exhaust Spring

from

$6.49
Walker®, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker® is a ‘one-stop’ convenience, offerin

Product Features:
  • Walker offers a variety of fastener styles and sizes for your installation needs
  • Walker fasteners provide OE-style design for easy use
  • Manufactured from premium steel for durability
  • Designed to work seamlessly with Walker aftermarket replacement parts
  • Walker® supplies all of the accessories you need to do the complete exhaust job
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1974 Pontiac Grand Prix Exhaust Parts

You count on your 1974 Pontiac Grand Prix to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 17 Exhaust Parts ranging in price from $1.99 to $89.99, you’re sure to find everything you need for your 1974 Pontiac Grand Prix.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 8 different brands like Walker, Dorman, and Flowtech. 1974 Pontiac Grand Prix Exhaust Parts start as low as $1.99!

One of the best ways to find top quality OEM or aftermarket Exhaust Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 90 extensive product reviews on 1974 Pontiac Grand Prix Exhaust Parts.

Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 1974 Pontiac Grand Prix below to get started!

Top-Rated Exhaust Parts Brands For Your 1974 Pontiac Grand Prix

Trusted Exhaust Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1974 Pontiac Grand Prix running right for years to come. In our inventory you’ll find brands like Walker, Dorman, Flowtech, and even more.

Popular Dorman Exhaust Parts

You’ll find popular Dorman brand products across Exhaust Hangers. All are waiting to get your 1974 Pontiac Grand Prix back on the road. Some of the top-rated Dorman products in these categories are:
Double Ended Stud - 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in
from $9.99
(1)
Double Ended Stud – 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in
Exhaust Hangers and Hardware

Top-Rated Exhaust Parts


If are what you’re looking for, our inventory holds plenty. We stock brand Exhaust Parts for your 1974 Pontiac Grand Prix, and some of our most reviewed parts include:
Sound Solution Muffler
from $58.99
(21)
Sound Solution Muffler
Mufflers